Add warnings about bad mobile apps.

Author: alecpl

download/index.html

@@ -99,6 +99,14 @@ <h2 id="sources">Other sources and downloads <a class="anchor" href="#sources" a
     </div>
 </div>
 
+<div class="alert alert-warning" role="alert">
+    <p>
+        <b>Native mobile apps?</b> This project does not provide any native apps for mobile devices.
+        We're not affiliated with any such application and we do not recommend any. Be careful, some of these
+        apps use project's name without permission and their quality or intentions are questionable.
+    </p>
+</div>
+
 <h2 id="pgp">PGP signatures for package verification <a class="anchor" href="#pgp" aria-label="Link to this section: PGP signatures for package verification"></a></h2>
 
 <p>Release tarballs listed above are signed with PGP to allow you to verify the authencity. We sign them with

support/index.html

@@ -5,7 +5,7 @@
 ---
 <h1>Need help?</h1>
 
-<div class="alert alert-warning mb-4" role="alert">
+<div class="alert alert-warning mb-2" role="alert">
     <p>
         <b>IMPORTANT!</b> If you have problems with your email account (e.g. cannot log in, emails got lost, etc.)
         or if you have questions how to configure your Outlook or mobile phone to get email, this isn't the
@@ -17,6 +17,14 @@ <h1>Need help?</h1>
     </p>
 </div>
 
+<div class="alert alert-warning mb-4" role="alert">
+    <p>
+        <b>Native mobile apps?</b> This project does not provide support for any native apps for mobile devices.
+        We're not affiliated with any such application and we do not recommend any. Be careful, some of these
+        apps use project's name without permission and their quality or intentions are questionable.
+    </p>
+</div>
+
 <div class="row">
     <div class="col-lg-8">
         <p>For issues concerning the software itself, there are several ways to get help on questions about Roundcube,